We are happy to announce the release of Siesta 3.1. Users are encouraged to use this version for production runs. You can find the Siesta 3.1 release in the Siesta web site (http://www.icmab.es/siesta/). You can access it as usual, in the downloads page that you find immediately after logging in, using the username and password obtained with your license. To report any remaining issues, see Docs/REPORTING_BUGS Thanks for your patience and continuous support. The Siesta team August 26, 2011